Sort items in a Set : TreeSet « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. TreeSet

import java.util.Set;
import java.util.TreeSet;

public class Main {
  public static void main(String[] args) {
    Set<String> set = new TreeSet<String>();
    set.add("Z");
    set.add("A");
    set.add("F");
    set.add("B");
    set.add("H");
    set.add("X");
    set.add("N");

    for (String item : set) {
      System.out.print(item + " ");
    }
  }
}